PRINTING METHODS LANTERN SLIDES 1 15 



drying hard quickly without heat, should be 

 used. If coloring of the picture is decided 

 upon it must, of course, be done before var- 

 nishing. Many subjects are greatly improved 

 by judicious application of transparent colors, 

 but great care must be exercised in the opera- 

 tion. In The Photo-Miniature, Vol. I, No. 9, 

 " Lantern Slides, " may be found very clear 

 and explicit details of all necessary operations. 



The finishing of a lantern slide is a very 

 important factor in the beauty of its appear- 

 ance. Slovenly-cut masks, dirty backgrounds, 

 pictures upside down and other defects all 

 preventable detract largely from its other 

 good features. A uniformity of mounting, 

 in so far as possible, is greatly to be desired. 

 As a rule each maker of slides seems to have 

 either his own pet plans or no plans at all, 

 for frequently no two of his mounts are alike, 

 with results most embarrassing to the unfor- 

 tunate who manipulates the lantern, to say the 

 least. At the risk of appearing, perhaps, 

 somewhat egotistical, I venture to give my 

 own method of finishing, which seems simple 

 and practical, and which I have followed for 

 many years in mounting slides of photo- 

 micrographs : 



After varnishing and drying, the mask, hav- 



